Cod sursa(job #3251391)

Utilizator elisabetastroescuElisabeta Stroescu elisabetastroescu Data 25 octombrie 2024 21:29:48
Problema Patrate2 Scor 100
Compilator cpp-64 Status done
Runda cex_1 Marime 0.58 kb
#include <fstream>
#include <cmath>
using namespace std;
ifstream f("patrate2.in");
ofstream g("patrate2.out");
int n,i;
int p[100000];
void inmultire(int a[],int b)
{
    int t=0;
    for(int i=1;i<=a[0];i++)
    {
        a[i]=a[i]*b+t;
        t=a[i]/10;
        a[i]=a[i]%10;
    }
    while(t!=0)
    {
        a[0]++;
        a[a[0]]=t%10;
        t/=10;
    }
}
int main()
{
    f>>n;
    p[0]=p[1]=1;
    for(i=1;i<=n;i++)
        inmultire(p,i);
    for(i=1;i<=n*n;i++)
        inmultire(p,2);
    for(i=p[0];i>=1;i--)
        g<<p[i];

    return 0;
}